The number of employees is in inverse proportion to the level of unemployment in the country.
这里的to the level of unemployment in the country是作定语修饰proportion还是作状语修饰前面整个部分
"in inverse proportion to ..."是介词短语,作表语,意思是“ 与......成反比”。the level of unemployment 是介词 to 的宾语; in the country 是状语。